The angle measure of any interior angle of a regular polygon with 6 sides is 120 degrees
Complete Question
The complete question is shown on the first uploaded image
Answer:
The 95% confidence interval is 
This means that there is 95% chance that the true population mean is within this interval
Step-by-step explanation:
From the question we are told that
The sample size is n = 30
The sample mean is 
The population standard deviation is 
Given that the confidence level is 95% then the level of confidence is evaluate as


Next we obtain the critical value of
from the normal distribution table , the values is

Generally the margin of error is mathematically represented as

substituting values


The 95% confidence interval is mathematically represented as

substituting values


Answer: I subtracted 8 from both sides then divided 3 on both sides
Step-by-step explanation: welcome
Answer:
none of the above
Step-by-step explanation:
the answer is -3/4